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Cheap flights from Sydney to London from $954

SYD — LON
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to London

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to London

Sat 31/1021:35 -
2 stops46h 35m
Sat 7/1115:30 -
2 stops35h 05m
Deal found 16/9$1,834
Thu 15/1022:05 -
2 stops28h 30m
Tue 20/1010:50 -
2 stops47h 20m
Deal found 19/9$1,949
Wed 14/1022:05 -
2 stops45h 50m
Wed 21/1007:25 -
2 stops26h 45m
Deal found 18/9$1,951
Thu 15/1022:05 -
2 stops45h 50m
Thu 29/1006:30 -
2 stops25h 55m
Deal found 15/9$1,968
Wed 7/1022:05 -
2 stops28h 35m
Tue 27/1017:25 -
2 stops39h 00m
Deal found 18/9$1,970
Thu 8/1022:05 -
2 stops34h 20m
Thu 29/1006:30 -
2 stops25h 55m
Deal found 17/9$1,972
Fri 23/1022:05 -
2 stops34h 20m
Fri 13/1110:05 -
2 stops46h 20m
Deal found 14/9$1,977
Tue 6/1022:05 -
2 stops45h 50m
Wed 28/1017:25 -
2 stops39h 00m
Deal found 14/9$1,979
Sat 31/1021:35 -
1 stop36h 00m
Sat 7/1105:55 -
1 stop26h 30m
Deal found 16/9$1,980

Find flight deals from Sydney to London

Round-trip from

$1,834

One-way from

$954

Popular in

December

Cheapest in

February

Average price

$2,587
31/10-7/11
  • 31/10-7/11
  • 4 total stops
  • 81h 40m total
  • Sydney to London
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Turkish Airlines
  • Turkish Airlines
  • 8/10-31/12
  • 2 total stops
  • 34h 20m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($332 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($117 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to London that are best for you.

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Departure

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Price

Cheapest return flight

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Wed 7/10

22:05-09:55

2 stops45h 50m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$954

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Sun 11/10

10:50-07:20

2 stops30h 30m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,252

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Tue 13/10

21:10-19:45

1 stop32h 35m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,262

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Sat 26/9

06:00-07:20

1 stop34h 20m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,369

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Sun 27/9

06:00-12:35

1 stop39h 35m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,377
Fastest return journey

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Wed 21/10

15:05-08:25

2 stops27h 20m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,447

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 24/9

06:00-12:35

1 stop39h 35m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,626

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Mon 28/9

10:00-18:50

2 stops41h 50m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,678

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Tue 1/12

07:55-09:10

3 stops36h 15m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,968

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Mon 9/11

15:50-05:55

1 stop25h 05m

London Gatwick

Sun 22/11

08:40-06:50

1 stop35h 10m

$2,057

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to London

Have a flexible travel schedule? Discover the best time to fly to London from Sydney with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sydney to London

What is the cheapest month to book a flight from Sydney to London?

Currently, February is the cheapest month in which you can book a flight from Sydney to London (average of $1,944). Flying from Sydney to London in December is currently the most expensive (average of $3,146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to London as you normally would.

Weekly flight availability from Sydney to London

The most flights from SYD to LON are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Sydney to London?

Airfare is below average for this route at the moment.
Sydney to London flights typically cost between $1,892 and $2,723 in October.
The cheapest return price found within the last 5 days was $1,834 on Multiple Airlines (31 Oct–7 Nov).

What’s the top stopover airport for flights from Sydney to London?

Singapore (SIN) – chosen by Cheapflights users on 26% of one-stop itineraries from Sydney to London on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to London?

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of $2,155.

What’s the fastest stopover option from Sydney to London?

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 22h 40m.

Which airport typically offers the quickest stopover for flights from Sydney to London?

Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 1h 13m.

How far ahead should I book a flight from Sydney to London?

To ensure you get the cheapest price possible for a flight from Sydney to London, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

  • What airport do you fly from for flights from Sydney to London?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to London. On average, Kingsford Smith has 2 outbound flights to London per day from 0 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Sydney to London?

    Departing from Sydney to London will take you 25h 05m. Airlines will cover a distance of 17008 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Sydney to London that include hotel bookings?

    Yes. In addition to deals on Sydney to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to London.

  • Can I find deals for business class flights from Sydney to London?

    Yes. Cheapflights offers flight deals from Sydney to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to London?

    Currently, February is the cheapest month in which you can book a flight from Sydney to London (average of $1,944). Flying from Sydney to London in December is currently the most expensive (average of $3,146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Guildford
Royal Tunbridge Wells
High Wycombe
Ilford
Hayes

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Yes, we can. To see specific flights from Sydney to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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